diff --git a/pkgs/by-name/pr/promptfoo/package.nix b/pkgs/by-name/pr/promptfoo/package.nix
index c8dd41207455e..aafa927a8937a 100644
--- a/pkgs/by-name/pr/promptfoo/package.nix
+++ b/pkgs/by-name/pr/promptfoo/package.nix
@@ -6,18 +6,16 @@
 
 buildNpmPackage rec {
   pname = "promptfoo";
-  version = "0.79.0";
+  version = "0.115.3";
 
   src = fetchFromGitHub {
     owner = "promptfoo";
     repo = "promptfoo";
     rev = "${version}";
-    hash = "sha256-sMBgjxPzG3SJ7RS4oTtOq7hJ1MYaKW3/6FF8Pn5l89c=";
+    hash = "sha256-JBDz3kb++oR84mcU5Fxk28NCc5OfLThvBpAD7GiMZx4=";
   };
 
-  npmDepsHash = "sha256-tnzeEFEc/BMN/VsoNHWJIWDOvupHfddqI6020Q4M0RM=";
-
-  dontNpmBuild = true;
+  npmDepsHash = "sha256-1SfaX3XrmSVXpZKuSbM4LdO7F4d0NCpa1QcpasEMoBw=";
 
   meta = {
     description = "Test your prompts, models, RAGs. Evaluate and compare LLM outputs, catch regressions, and improve prompt quality";
@@ -27,4 +25,13 @@ buildNpmPackage rec {
     license = lib.licenses.mit;
     maintainers = [ lib.maintainers.nathanielbrough ];
   };
+
+  env = {
+    PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD = 1;
+  };
+
+  postInstall = ''
+    rm $out/lib/node_modules/promptfoo/node_modules/app
+    rm $out/lib/node_modules/promptfoo/node_modules/promptfoo-docs
+  '';
 }